{"id":"vidhyamitra:city-day:perth:2022-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2022-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2022-05-18","date_display":"May 18, 2022 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2022,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459717.770833,"kali_year":5124,"ahargana":1871252.2708,"sun":{"sidereal_longitude":32.8562,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":236.6903,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":203.8342,"elapsed_within_tithi_degrees":11.8342},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":236.6903,"elapsed_within_degrees":10.0236},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.5465},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2022,"month":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459717.770833,"ahargana":1871252.2708,"kali_year":5124,"ayanamsa_lahiri":24.1656,"grahas":{"sun":{"sidereal_longitude":32.94175000000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":239.00025000000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false,"latitude":-1.8746},"mars":{"sidereal_longitude":330.31065,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":38.45364999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":337.16385,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":353.22755,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":300.88095,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":32.0496,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":212.0496,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2022,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459717.770833,"kali_year":5124,"ahargana":1871252.2708,"sun":{"sidereal_longitude":32.8562,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":236.6903,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":203.8342,"elapsed_within_tithi_degrees":11.8342},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":236.6903,"elapsed_within_degrees":10.0236},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.5465},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.875,"elongation":156.166},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.875,"opposition_distance":23.834}},"eclipse_window_40days":[{"offset_days":-2,"type":"lunar","occurs":true,"moon_latitude":0.329,"opposition_distance":2.986}]},"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"sunriseLocal":"07:00","sunsetLocal":"17:26","solarNoonLocal":"12:13","dayLengthHours":10.439916075423753,"dayLengthDisplay":"10 Hours 26 Mins 24 Secs","nightLengthDisplay":"13 Hours 33 Mins 36 Secs","moonriseLocal":"18:52","moonsetLocal":"09:02","rahuKala":{"name":"Rāhu Kāla","start":"12:13","end":"13:31","startHours":12.214480296825506,"endHours":13.519469806253475,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:18","end":"09:36","startHours":8.299511768541599,"endHours":9.604501277969568,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:55","end":"12:13","startHours":10.909490787397537,"endHours":12.214480296825506,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:47","startHours":9.430502676712507,"endHours":9.778499879226631,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:26","end":"07:42","startHours":7.429518762256287,"endHours":7.7079165242675876,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.86648309431138,"endHours":12.562477499339632,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:36","end":"06:18","startHours":5.60253344905713,"endHours":6.298527854085381,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:07","end":"07:00","startHours":6.124529252828318,"endHours":6.994522259113631,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:39","startHours":13.954466309396132,"endHours":14.650460714424382,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:14","end":"17:38","startHours":17.234438334537383,"endHours":17.634438334537382,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:26","end":"17:52","startHours":17.434438334537383,"endHours":17.86943483768004,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:11","end":"18:56","startHours":17.184438334537383,"endHours":18.934438334537383,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.86648309431138,"endHours":24.562477499339632,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:00","end":"08:18","startHours":6.994522259113631,"endHours":8.299511768541599,"quality":"auspicious"},{"name":"Amṛta","start":"08:18","end":"09:36","startHours":8.299511768541599,"endHours":9.604501277969568,"quality":"auspicious"},{"name":"Kāla","start":"09:36","end":"10:55","startHours":9.604501277969568,"endHours":10.909490787397537,"quality":"inauspicious"},{"name":"Śubha","start":"10:55","end":"12:13","startHours":10.909490787397537,"endHours":12.214480296825506,"quality":"auspicious"},{"name":"Roga","start":"12:13","end":"13:31","startHours":12.214480296825506,"endHours":13.519469806253475,"quality":"inauspicious"},{"name":"Udveg","start":"13:31","end":"14:49","startHours":13.519469806253475,"endHours":14.824459315681445,"quality":"inauspicious"},{"name":"Chala","start":"14:49","end":"16:08","startHours":14.824459315681445,"endHours":16.129448825109414,"quality":"neutral"},{"name":"Labha","start":"16:08","end":"17:26","startHours":16.129448825109414,"endHours":17.434438334537383,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:26","end":"19:08","startHours":17.434438334537383,"endHours":19.129448825109414,"quality":"inauspicious"},{"name":"Chala","start":"19:08","end":"20:49","startHours":19.129448825109414,"endHours":20.824459315681445,"quality":"neutral"},{"name":"Labha","start":"20:49","end":"22:31","startHours":20.824459315681445,"endHours":22.519469806253475,"quality":"auspicious"},{"name":"Amṛta","start":"22:31","end":"00:13","startHours":22.519469806253475,"endHours":24.214480296825506,"quality":"auspicious"},{"name":"Kāla","start":"00:13","end":"01:55","startHours":24.214480296825506,"endHours":25.909490787397537,"quality":"inauspicious"},{"name":"Śubha","start":"01:55","end":"03:36","startHours":25.909490787397537,"endHours":27.604501277969568,"quality":"auspicious"},{"name":"Roga","start":"03:36","end":"05:18","startHours":27.604501277969568,"endHours":29.2995117685416,"quality":"inauspicious"},{"name":"Udveg","start":"05:18","end":"07:00","startHours":29.2995117685416,"endHours":30.99452225911363,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":6.994522259113631,"endHours":7.994522259113631,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":7.994522259113631,"endHours":8.99452225911363,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":8.99452225911363,"endHours":9.99452225911363,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":9.99452225911363,"endHours":10.99452225911363,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":10.99452225911363,"endHours":11.99452225911363,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":11.99452225911363,"endHours":12.99452225911363,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":12.99452225911363,"endHours":13.99452225911363,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":13.99452225911363,"endHours":14.99452225911363,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":14.99452225911363,"endHours":15.99452225911363,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":15.99452225911363,"endHours":16.99452225911363,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":16.99452225911363,"endHours":17.99452225911363,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":17.99452225911363,"endHours":18.99452225911363,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":18.99452225911363,"endHours":19.99452225911363,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":19.99452225911363,"endHours":20.99452225911363,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":20.99452225911363,"endHours":21.99452225911363,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":21.99452225911363,"endHours":22.99452225911363,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":22.99452225911363,"endHours":23.99452225911363,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":23.99452225911363,"endHours":24.99452225911363,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":24.99452225911363,"endHours":25.99452225911363,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":25.99452225911363,"endHours":26.99452225911363,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":26.99452225911363,"endHours":27.99452225911363,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":27.99452225911363,"endHours":28.99452225911363,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":28.99452225911363,"endHours":29.99452225911363,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":29.99452225911363,"endHours":30.99452225911363,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"South-West","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.5100249239483,"eotMinutes":3.6891821904695723,"ayanamsa":24.1656}},"calendars":{"vikram_samvat":2079,"vikram_samvatsara":"Rākṣasa","saka_samvat":1944,"saka_samvatsara":"Śubhakṛt","bengali_samvat":1429,"malayalam_era":1198,"nanakshahi_year":553,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Dvitīyā · Vikram 2079 Rākṣasa · Śaka 1944 Śubhakṛt"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"perth"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 18, 2022 CE · Perth, Australia · Vidhyamitra","description":"May 18, 2022 CE for Perth, Australia: Kṛṣṇa Dvitīyā, sūryodaya 07:00, sūryāsta 17:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2022-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2022-05-18","sa":"https://sa.vidhyamitra.com/city/perth/2022-05-18","hi":"https://hi.vidhyamitra.com/city/perth/2022-05-18","x-default":"https://vidhyamitra.com/city/perth/2022-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T23:46:18.907Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-14T23:46:18.907Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T23:46:18.907Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}